GB1152820A - Dibenzopyran Derivatives - Google Patents

Dibenzopyran Derivatives

Info

Publication number
GB1152820A
GB1152820A GB22350/68A GB2235068A GB1152820A GB 1152820 A GB1152820 A GB 1152820A GB 22350/68 A GB22350/68 A GB 22350/68A GB 2235068 A GB2235068 A GB 2235068A GB 1152820 A GB1152820 A GB 1152820A
Authority
GB
United Kingdom
Prior art keywords
dibenzopyran
dibenzopyran derivatives
derivatives
general formula
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22350/68A
Other languages
English (en)
Inventor
Theodor Petrzilka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US821391A priority Critical patent/US3604529A/en
Priority to FR6914991A priority patent/FR2008252A1/fr
Priority to DE1923721A priority patent/DE1923721C3/de
Priority to JP44036109A priority patent/JPS494871B1/ja
Priority to ES367043A priority patent/ES367043A1/es
Publication of GB1152820A publication Critical patent/GB1152820A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
GB22350/68A 1967-05-19 1968-05-10 Dibenzopyran Derivatives Expired GB1152820A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US821391A US3604529A (en) 1968-05-10 1969-05-02 Apparatus for ultrasonic wave transmission
FR6914991A FR2008252A1 (es) 1968-05-10 1969-05-09
DE1923721A DE1923721C3 (de) 1968-05-10 1969-05-09 Vorrichtung zur Übertragung von Ultraschallwellen
JP44036109A JPS494871B1 (es) 1968-05-10 1969-05-10
ES367043A ES367043A1 (es) 1968-05-10 1969-05-10 Perfeccionamientos en la construccion de guiaondas para la transmision de ondas ultrasonicas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH708167A CH481911A (de) 1967-05-19 1967-05-19 Verfahren zur Herstellung von tricyclischen Verbindungen

Publications (1)

Publication Number Publication Date
GB1152820A true GB1152820A (en) 1969-05-21

Family

ID=4319634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22350/68A Expired GB1152820A (en) 1967-05-19 1968-05-10 Dibenzopyran Derivatives

Country Status (11)

Country Link
US (1) US3560528A (es)
AT (1) AT277241B (es)
BE (1) BE714766A (es)
CH (1) CH481911A (es)
DE (1) DE1768230A1 (es)
DK (1) DK125707B (es)
ES (1) ES354081A1 (es)
FR (1) FR1593512A (es)
GB (1) GB1152820A (es)
NL (1) NL6806383A (es)
SE (1) SE351426B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025516A (en) * 1975-06-23 1977-05-24 The John C. Sheehan Institute For Research, Inc. Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo[b,d]-pyrans
US4054583A (en) * 1976-07-06 1977-10-18 Eli Lilly And Company Process for converting 2,7-dihydroxy-5-isopropylidene-9-substituted-2,6-methano-3,4,5,6-tetrahydro-2H-1-benzoxocin to trans-1-hydroxy-3-substituted-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo(b,d)pyran-9-one
US4381399A (en) * 1981-12-21 1983-04-26 Aerojet-General Corporation Purification of tetrahydrodibenzo[b,d]pyrans from crude synthetic mixtures
WO2006007734A1 (de) * 2004-07-19 2006-01-26 Cilag Ltd. Verfahren zur gewinnung von reinem tetrahydrocannabinol
TWI369203B (en) 2004-11-22 2012-08-01 Euro Celtique Sa Methods for purifying trans-(-)-△9-tetrahydrocannabinol and trans-(+)-△9-tetrahydrocannabinol
TWI366460B (en) 2005-06-16 2012-06-21 Euro Celtique Sa Cannabinoid active pharmaceutical ingredient for improved dosage forms
US9585867B2 (en) 2015-08-06 2017-03-07 Charles Everett Ankner Cannabinod formulation for the sedation of a human or animal
US10702495B2 (en) 2017-02-20 2020-07-07 Nexien Biopharma, Inc. Method and compositions for treating dystrophies and myotonia
EP3750528A1 (en) 2019-06-11 2020-12-16 Nexien Biopharma, Inc. Compositions for treating dystrophies and myotonia

Also Published As

Publication number Publication date
DE1768230A1 (de) 1971-06-03
ES354081A1 (es) 1969-10-16
SE351426B (es) 1972-11-27
BE714766A (es) 1968-11-07
DK125707B (da) 1973-03-26
CH481911A (de) 1969-11-30
NL6806383A (es) 1968-11-20
FR1593512A (es) 1970-06-01
US3560528A (en) 1971-02-02
AT277241B (de) 1969-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees